The large white umbellifer blooms of agapanthus 39arctic star39 are striking from july to september above the strap45like grey45green semi evergreen foliage with sturdy upright stems this african lily is ideal as a cut flower a tough and robust hardy perennial it forms useful low maintenance ground cover when planted in groups and makes an eye45catching display in patio containers andsummer borders height 60cm 40243441 spread 50cm 40203441